I also had this problem, the same, I went to the biker 2 weeks ago, sent it to the carburetor, connected it to the computer and looked at everything but could not find anything. I also had a problem with idling, but ... After looking a bit, he pushed the throttle part back and forth, and as a result of these movements, we saw that the car speed had changed (just like gas and cutting) the manifold gaskets need to change ... We did not idle normal play, no work The problem is over ... I bought the manifold gasket from Aksaray, something like the tube gasket was 4 TL if I remember the wrong set of 4 ... But; We gave 70 TL to the carburetor and 50 TL to the biker. (Idle switch or what changed it, and the carburetor is included in the price ...